1 marketplaces are selling it on Ebay with coupons. Also ac infrared motion sensor holder is one of the top 10 sellers in Alloet in 2019.

Features:100% high sensor detection:Adoption of of the integrated circuitsOf energy automatically nightEasy to install.You can a light / switch can detect human body, the burden of infrared detection: $ number - seconds 5 minutes of the dollar - 1 min (adjustable); mounting you get:1 x LED Light.
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